tirewheelguide

2018 Mercedes-Benz CLS-Class tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x112 on every 2018 trim.

Tires for the 2018 Mercedes-Benz CLS-Class

Sizes most trims come with first. Open your trim below for its exact size.

  1. 245/45R18 Best-rated standard on 3 trims · optional on 3 · Europe, Japan
    Check price on Amazon · 245/45R18
  2. 245/45R18 front + 275/40R18 rear Best-rated standard on 2 trims · optional on 1 · Europe, Japan
    Check price on Amazon · 245/45R18 front Check price on Amazon · 275/40R18 rear
  3. 245/40R19 front + 275/35R19 rear Best-rated standard on 1 trim · optional on 2 · Europe, Japan
    Check price on Amazon · 245/40R19 front Check price on Amazon · 275/35R19 rear

Also listed: 245/40R19 245/35R20 245/35R20 + 275/30R20

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Trims sold in 2018
6
Generation
C257 sold in 2 market versions

6 trims sold in 2018

Sold in 2 market versions with different tire sizes. Open a trim for its tire and rim sizes, bolt pattern and tire pressure. Trims with the same tires and wheels share a row.

Mercedes-Benz CLS-Class C257

2018–2022 6 trims

Europe

5 trims
CLS-Class CLS 300 d +1 variant 241 hp · OM654 I4 · Diesel 245/45R18 100Y / 275/40R18 103Y 8 fitments

Same tires and wheels on: CLS 350

Generation
C257 · 2018–2022
Market
Europe
Power
241 hp
Engine
OM654 I4, Diesel
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Check price on Amazon · 245/45R18 Check price on Amazon · 275/40R18 Wheels 18x8 ET33 · 5x112 · 66.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
Front245/45R18 100YRim 18x8 ET33 5x11236 psi
Rear275/40R18 103YRim 18x9 ET33 5x11236 psi
Front245/45R18 100YRim 18x8 ET33 5x11236 psi
Rear275/40R18 99YRim 18x9 ET33 5x11236 psi
Front245/40R19 98YRim 19x8 ET33 5x11236 psi
Rear275/35R19 100YRim 19x9 ET28 5x11236 psi
Front245/40R19 98YRim 19x8 ET33 5x11236 psi
Rear275/35R19 100YRim 19x9 ET33 5x11236 psi
Front245/35R20 95YRim 20x8 ET33 5x11236 psi
Rear275/30R20 97YRim 20x9 ET28 5x11236 psi
Front245/35R20 95YRim 20x8 ET33 5x11236 psi
Rear275/30R20 97YRim 20x9 ET33 5x11239 psi
245/45R18 100VRim 18x8 ET33 5x11236 psi
245/40R19 98VRim 19x8 ET33 5x11236 psi

How to read 100Y: 100 is the load index (up to 1,764 lb / 800 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET33 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres. Compare offsets in the wheel offset calculator.

CLS-Class CLS 350 d +1 variant 282 hp · OM656 I6 · Diesel 245/45R18 100Y 8 fitments

Same tires and wheels on: CLS 400 d

Generation
C257 · 2018–2022
Market
Europe
Power
282 hp
Engine
OM656 I6, Diesel
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Check price on Amazon · 245/45R18 Wheels 18x9 ET33 · 5x112 · 66.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
245/45R18 100YRim 18x9 ET33 5x11236 psi
245/45R18 100VRim 18x8 ET33 5x11236 psi
245/45R18 100YRim 18x9 ET33 5x11236 psi
245/40R19 98VRim 19x8 ET33 5x11236 psi
245/40R19 98YRim 19x9 ET28 5x11236 psi
245/40R19 98YRim 19x9 ET33 5x11236 psi
245/35R20 95YRim 20x9 ET28 5x11239 psi
245/35R20 95YRim 20x9 ET33 5x11239 psi

How to read 100Y: 100 is the load index (up to 1,764 lb / 800 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET33 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

CLS-Class CLS 450 362 hp · 3.0L M 256.930 I6 245/45R18 100Y 8 fitments
Generation
C257 · 2018–2022
Market
Europe
Power
362 hp
Engine
3.0L M 256.930 I6, Petrol
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Check price on Amazon · 245/45R18 Wheels 18x9 ET33 · 5x112 · 66.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
245/45R18 100YRim 18x9 ET33 5x11236 psi
245/40R19 98YRim 19x9 ET28 5x11236 psi
245/45R18 100VRim 18x8 ET33 5x11236 psi
245/45R18 100YRim 18x9 ET33 5x11236 psi
245/40R19 98VRim 19x8 ET33 5x11236 psi
245/40R19 98YRim 19x9 ET33 5x11236 psi
245/35R20 95YRim 20x9 ET28 5x11239 psi
245/35R20 95YRim 20x9 ET33 5x11239 psi

How to read 100Y: 100 is the load index (up to 1,764 lb / 800 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET33 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Japan

1 trim
CLS-Class CLS 450 (DAA-257359) 362 hp · 3.0L M256 I6 245/40R19 98Y / 275/35R19 100Y 8 fitments
Generation
C257 · 2018–2022
Market
Japan
Power
362 hp
Engine
3.0L M256 I6, Petrol
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Check price on Amazon · 245/40R19 Check price on Amazon · 275/35R19 Wheels 19x8 ET33 · 5x112 · 66.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
Front245/40R19 98YRim 19x8 ET33 5x11236 psi
Rear275/35R19 100YRim 19x9 ET28 5x11236 psi
Front245/45R18 100YRim 18x8 ET33 5x11236 psi
Rear275/40R18 103YRim 18x9 ET33 5x11236 psi
Front245/45R18 100YRim 18x8 ET33 5x11236 psi
Rear275/40R18 99YRim 18x9 ET33 5x11236 psi
Front245/40R19 98YRim 19x8 ET33 5x11236 psi
Rear275/35R19 100YRim 19x9 ET33 5x11236 psi
Front245/35R20 95YRim 20x8 ET33 5x11236 psi
Rear275/30R20 97YRim 20x9 ET28 5x11236 psi
Front245/35R20 95YRim 20x8 ET33 5x11236 psi
Rear275/30R20 97YRim 20x9 ET33 5x11239 psi
245/45R18 100VRim 18x8 ET33 5x11236 psi
245/40R19 98VRim 19x8 ET33 5x11236 psi

How to read 98Y: 98 is the load index (up to 1,653 lb / 750 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET33 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

What these columns mean
Rim size
Rim diameter × width in inches, and the factory offset (ET) in millimetres, e.g. 18x7.5 ET25.
Bolt pattern (PCD)
Number of studs and the diameter of the circle they sit on. It must match exactly.
Center bore
Diameter of the hub hole. Larger aftermarket bores need hub-centric rings.
Pressure
Recommended cold inflation pressure for that axle, in psi.
Staggered
A wider tire on the rear axle than the front. Front-to-back rotation is not possible.
Thread size
Lug bolt or nut thread — needed when buying aftermarket fasteners.
Trims sold in 2018
6
Generation
C257 sold in 2 market versions
Other years
All years (2004–2024)

Considering a different size?

Compare your current tire size with the one you want: diameter change, ground clearance and speedometer error.

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